Text 23]
Talks Between Lord Śiva and Satī
103
vāsudevaḥ — Vāsudeva ;  hi —because;  adhokṣajaḥ —transcendental;  me —by me;  namasā —with obeisances;  vidhīyate —worshiped.
TRANSLATION
I am always engaged in offering obeisances to Lord  Vāsudeva  in pure  Kṛṣṇa  consciousness.  Kṛṣṇa  consciousness is always pure consciousness, and in that consciousness the Supreme Personality of Godhead, known as  Vāsudeva , is revealed without any covering.
PURPORT
The living entity is constitutionally pure.  Asaṅgo hy ātmāyaṁ puruṣaḥ . In the Vedic literature it is said that the soul is always pure and uncontaminated by material attachment. The identification of the body with the soul is due to misunderstanding. As soon as one is fully  Kṛṣṇa  conscious it is to be understood that he is in his pure, original constitutional position. This state of existence is called  śuddha-sattva , which means that it is transcendental to the material qualities. Since this  śuddha-sattva  existence is under the direct action of the internal potency, in this state the activities of material consciousness stop. For example, when iron is put into a fire, it becomes warm, and when it is red-hot, although it is iron, it acts like fire. Similarly, when copper is surcharged with electricity, its action as copper stops; it acts as electricity. It is also confirmed in  Bhagavad-gītā  that anyone who engages in unadulterated devotional service to the Lord is at once elevated to the position of pure Brahman.
māṁ ca yo 'vyabhicāreṇa bhakti-yogena sevate sa guṇān samatītyaitān brahma-bhūyāya kalpate
(Bg. 14.26)
Therefore  śuddha-sattva , as described in this verse, is the transcendental position, which is technically called  vasudeva .  Vasudeva  is also the name of the person from whom  Kṛṣṇa  appears. This verse explains that the pure state is called  vasudeva  because in that state  Vāsudeva , the Supreme Personality of Godhead, is revealed without any covering. To execute unadulterated devotional service, therefore, one must follow the rules and regulations of devotional service without desire to gain material profit by fruitive activities or mental speculation.
In pure devotional service one simply serves the Supreme Personality of Godhead as a matter of duty, without reason and without being impeded by material conditions. That is called  śuddha-sattva , or  vasudeva ,